moving staircase (not to be confused with the moving staircases in Harry Potter) used to make walking up stairs easier. Its like taking the worst part about elevators (makes you fat) and stairs (takes too long) and putting it all in one convenient location.

Guy 1: Dude lets take the escalator
Guy 2: Why?
Guy 1: Because escalators are slow and make me fat!

Essentially a set of moving stairs which transport an individual from high ground to low ground or from low ground to high ground.

There is a commonly ignored rule of escalator etiquette which states that people are to walk on the left and stand on the right sides of the escalator. Many people ignore this rule and stand on both sides of the escalator resuling in escalator traffic jams. These jams are especially annoying when people are in a rush.

Many people believe escalators are indicatave of the laziness of the human race. Instead or walking up stairs, people insist on being effortlessly floated to the top of their staircase. This is one of the reasons among thousands, that the world is becoming so obese.

Guy: Don't take the stairs, let's take the escalator - it's less effort.
Guy 2: Yeah, but I don't want to become fat like you.

Employee: I was late because people on the escalator didn't follow the proper escalator etiquette! There was an escalator jam!
Manager: ...you're fired.

When having sex at the top of a staircase, the man karate chops the woman between the shoulder blades, causing her to flinch and her arms flail backwards. He then proceeds to kick the woman's legs out from under her, grab onto her arms and ride her down the stairs.

"Dude, my girl told me she was pregnant"
"Damn! What are you going to do?"
"Shit man, I'm giving her the escalator tonight and aborting that fetus"